/* * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  
  body, html {
    height: 100%;
    overflow: hidden;
  } */
  
  /* body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #121212;
    background: -webkit-linear-gradient(to bottom, #434343, #121212);
    background: linear-gradient(to bottom, #434343, #121212);
  } */
  /* .bg {
    position: fixed;
    top: -50%;
    left: -50%;
    right: -50%;
    bottom: -50%;
    width: 200%;
    height: 200vh;
    background-repeat: repeat;
    animation: bg-animation .2s infinite;
    opacity: .9;
    visibility: visible;
  } */
  @keyframes bg-animation {
    0% { transform: translate(0,0) }
    10% { transform: translate(-5%,-5%) }
    20% { transform: translate(-10%,5%) }
    30% { transform: translate(5%,-10%) }
    40% { transform: translate(-5%,15%) }
    50% { transform: translate(-10%,5%) }
    60% { transform: translate(15%,0) }
    70% { transform: translate(0,10%) }
    80% { transform: translate(-15%,0) }
    90% { transform: translate(10%,5%) }
    100% { transform: translate(5%,0) }
  }
  
  main {
    /* cursor: -webkit-grab; */
    /* cursor: grab; */
    width: 100vw;
    height: 100vh;
    /* flex-shrink: 0; */
    background-image: url('../img/bg.jpg');
    background-size: cover;
    background-position: 100% 50%;
    /* position: relative; */
    /* border-radius: 16px; */
    /* overflow: hidden; */
    box-shadow: 1px 1px 10px rgba(0, 0, 0, .5);
    /* border: 1px groove rgba(255, 255, 255, .2); */
    /* top: -50px; */
  }
  
  canvas {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  
  .mask {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    mask-mode: luminance;
    -webkit-mask-size: 100% 100%;
            mask-size: 100% 100%;
    -webkit-backdrop-filter: hard-light;
            backdrop-filter: hard-light;
    -webkit-mask-image: url('../img/mask.png');
    -moz-mask-image: url('../img/mask.png');
    mask-image: url('../img/mask.png');
  }
  
  .mask-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../img/bg.jpg') 0% 0% repeat;
    background-size: cover;
    background-position: 100% 50%;
    filter: url(#heat);
    -webkit-mask-image: url('../img/mask.png');
    -moz-mask-image: url('../img/mask.png');
    mask-image: url('../img/mask.png')
  }
  
  